Key statistics
Satellite SCOUT G-1 DEB at a glance.
Uptime
12587
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
89.8
Latest
Satellite identification and parameters
Extended collection of information and parameters for SCOUT G-1 DEB.
Object identification
Identified? True
Debris? True
Object name: SCOUT G-1 DEB
International designator: 1991-045E
Object number (NORAD): 21691
Object ID (CCSDS): 21691
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.969 minutes
Inclination: 89.8022 deg
SMA: 7087.519 km
Apoapsis: 721.381 km
Periapsis: 697.387 km
RAAN: 258.8876 deg
Eccentricy: 0.00169266
Argument of periapsis: 70.6419 deg
Mean anomaly: 61.2196 deg
Mean motion: 14.5499461 rev/day
Mean motion (dot): 0.00002832 rev/day2
B* drag term: 0.00065377442 1/REarth
Two-line elements (TLE)
Creation date: Dec. 11, 2025, 10:54 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 11, 2025, 5:44 a.m. UTC
TLE line 0: 0 SCOUT G-1 DEB
TLE line 1: 1 21691U 91045E 25345.23939138 .00002832 00000-0 65377-3 0 9991
TLE line 2: 2 21691 89.8022 258.8876 0016927 70.6419 61.2196 14.54994610813376
Live tracking on map
Real-time ground track for satellite SCOUT G-1 DEB.
Associated space launch
REX (Radiation Experiment) or ISES (Integrated Space Experiment System) was an Air Force Rome Laboratory ionospheric research satellite which tested the effects of the atmosphere on radio transmissions, and employed GPS for on-board navigation and attitude control.
SCOUT G-1 DEB was lifted into orbit during the mission ‘Scout G-1 | REX’, on board a Scout G-1 space rocket.
The launch took place on June 29, 1991, 2 p.m. from Space Launch Complex 5.
For more information about the launch, click the button.
Scout G-1 | REX
Agency: N/A
Status: Launch Successful
Launch date: June 29, 1991, 2 p.m. UTC
Rocket: Scout G-1
Launch pad: Space Launch Complex 5
Location: Vandenberg SFB, CA, USA
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